Unfortunately yes. I had the machine running yesterday for 10-12 hours with LR open in the background. But honestly I did not notice, Lightroom was doing something during that time at all. How can I check if there are still background tasks ongoing?

I have the same problem: I've upgraded Lr classic 7, and was looking forward to enjoying the new features. To my great disappointment Lr started working so slowly that I can hardly process my photos in it. It annoys a lot just to list presets, to say nothing to work in develop mode. How can I fix this problem? Can I upgrade it one more time? I'm afraid to reinstall Lr because I don't want to lose my albums, which I had once in my practice..

Slow previews when scrolling over presets. It used to simply preview in the navigator window, but now it previews simultaneously the on-screen images at preview-size which makes everything reaaaaalllllllyyyyy slow. I don't like this feature but can't find a way to turn it off.

Pasting copied settings. Too much delay now.

I've since rolled back to 7.2 until these performance issues are resolved.

How do you roll back to 7.2? I am finding that adjustments are really slow to be made, and though there are some great improvements in version 7.3, they are just not worth the slower speed. Or is upgrading from 12GB to 16GB on a Mac likely to make all the difference (the memory is ordered and on its way).

Thanks. It worked eventually. However, to get the option to roll back, I had to uninstall all versions of Lightroom CC. I reinstalled Adobe CC Desktop App and then found I had to log in with a different Adobe ID. Not sure how I ended up with two.

Hi Philipp, same issues for me. Working on my photos has stopped - it's all problem-solving at the moment and has been for several months now.

I also did the re-install and made new smaller catalogs and all sorts of other little adjustments including the 7.4 update with no real improvement. My system is a new, fast iMac with 32gb ram and a SSD, which apparently well exceeds the minimum spec.

In my experience LR gets a bit erratic; sometimes takes 90 secs to change from Develop to Library module, if the program has been in the background. Showing/hiding masks may not work at all when clicking on edit pins and can take up to 90-100 seconds when selecting the checkbox. The brush lags so much that painting layers of adjustment is not functional.

It's become so frustrating I'm exploring migrating to other platforms to ease the pain!

All very frustrating for a program that I use constantly and love enormously (when it works well!)

I noticed that on my side disabling GPU support made things less laborious.(Moreover, advanced tests have allowed me to see that the GPU was never solicited apart from the use of brushes, while slowing down everything else - usage advantage almost to zero all along)

Without the GPU it is more livable but, even downgrading the version of lightroom to the last but one can not reprofit with a proper speed thanks to the CPU + GPU

Please correct this defect, I spend hours on my photos ...

* Another problem appeared with the last 2 versions:Full screen display bug on OSX latest version + iMac 5K.as soon as we switch to another "desktop" or that we click elsewhere than in LR are display takes odd proportion until it becomes normal after a click in the app.

Courage and thank you to the develloppers for their work to make LR always more functional and powerful (a preference for me for the overall fluidity of the application, do not hesitate to load my GPU there is margin! ;))